Show:
Pollution and Environment
Types of pollution
Movement of Earth
Satellites
More
100

...............makes our environment dirty and affects the health of living things.

pollution

100

Are made up of dust and smoke particles.

haze

100

It takes..........hours for the Earth to spin on its axis once.

24

100

A ............. is an object in space that orbits a planet.

satellite

100
Reduce, reuse, ..............

recycle

200

When a plastic bag is thrown into the ocean, marine animals may eat it and die when they ...........on it.

choke

200

Are sites where waste is buried.

landfills

200

The ..................orbits the Sun.

Earth

200

The Earth's natural satellite is ...............

Moon

200

Give 2 human activities that contribute to global warming.

  • Burning fossil fuels from cars and factories
  • Cutting down trees (deforestation)
  • Burning rubbish or forests
  • Using too much electricity
300

They are substances that harm the environment.

pollutants

300

They are coal and petroleum burnt to provide energy.

fossil fuels

300

Earth orbits the Sun in an ............. direction.

anticlockwise

300

The Moon takes about ...........month to orbit Earth once.

one

300

Name two ways humans can reduce global warming.

  • Plant more trees
  • Use public transport or carpool
  • Save electricity by switching off lights and appliances
  • Reduce, reuse, and recycle materials
  • Walk or ride bicycles instead of using cars when possible
  • Avoid burning rubbish and forests
  • Use less plastic and reduce waste
400

.............. is one of the main pollutants of the environment.

plastic

400

When air pollutants and other chemicals dissolve in rainwater, ...............is formed.

acid rain

400

The shape of the Earth's orbit is slight .............

ellipse

400

The Sun is a satellite of the Earth. True or False?


False

400

Who discovered four of Jupiter's Moons in 1610?

Galileo Galilei

500

Pollution happens when

harmful or poisonous substances are put into the environment.

500

The rise in the average temperature of the Earth.

global warming

500

The axis of the Earth is ............

tilted

500

One of the four periods of the year: spring, summer, autumn, winter

seasons

500

The complete name of the satellite that has laboratories where astronauts carry out research and experiments, which cannot be carried out anywhere else.

International Space Station